摘要:
A process for producing 3,5-difluoroaniline, which comprises reacting a benzonitrile compound of the formula (I): ##STR1## wherein each of X.sub.1, X.sub.2 and X.sub.3 is hydrogen, chlorine, bromine or a cyano group, provided that at least one of X.sub.1 to X.sub.3 is a cyano group, with a mineral acid for hydrolysis and decarboxylation to obtain an aniline compound of the formula (II): ##STR2## wherein each of X.sub.4, X.sub.5 and X.sub.6 is hydrogen, chlorine or bromine, provided that at least one of X.sub.4 to X.sub.6 is hydrogen, and in the case of a compound of the formula (II) wherein X.sub.4, X.sub.5 and X.sub.6 are not simultaneously hydrogen, reacting such a compound with hydrogen in a presence of a catalyst for reduction to obtain 3,5 -difluoroaniline.
摘要:
A method for halogenating an aromatic compound, which comprises reacting the aromatic compound of the formula (I): ##STR1## wherein X is a hydroxyl group, an amino group or an acylamino group, each of Z.sub.1 and Z.sub.2 is a hydrogen atom or a halogen atom, one of R and Y is a hydrogen atom and the other is a nitro group, a cyano group or a trifluoromethyl group, and Q is a nitrogen atom or --C(T).dbd. (wherein T is a hydrogen atom, a halogen atom, a nitro group, a cyano group or a trifluoromethyl group), with a halogenating agent to obtain a 3-halogenoaromatic compound of the formula (II): ##STR2## wherein one of R' and Y' is a halogen atom and the other is a nitro group, a cyano group or a trifluoromethyl group, and X, Z.sub.1, Z.sub.2 and Q are as defined above.
摘要:
Novel imidazole compounds are disclosed, which are represented by the following general formula: ##STR1## wherein: R.sub.1 represents a cyano group or a --CSNHR.sub.5 group, wherein R.sub.5 represents a hydrogen atom, a C.sub.1-4 alkyl group, or a --COR.sub.6 group, wherein R.sub.6 represents a C.sub.1-4 alkyl group, a halogenated C.sub.1-4 alkyl group, or a phenyl group;R.sub.2 and R.sub.3 each represents a hydrogen atom; a halogen atom; a nitro group; a cyano group; a trimethylsilyl group; a C.sub.3-6 cycloalkyl group; a naphthyl group; a C.sub.1-12 alkyl group which is optionally substituted with one or more halogen atoms, hydroxyl groups, acetoxy groups, C.sub.1-4 alkoxy groups, halogenated C.sub.1-4 alkoxy groups, phenyl groups, halogenated phenyl groups, or C.sub.1-4 alkylated phenyl groups; a C.sub.2-10 alkenyl group which is optionally substituted with one or more halogen atoms; a C.sub.1-6 alkoxy group which is optionally substituted with one or more halogen atoms; a phenyl group which is optionally substituted with one or more halogen atoms, C.sub.1-4 alkyl groups, halogenated C.sub.1-4 alkyl groups, C.sub.1-4 alkoxy groups, halogenated C.sub.1-4 alkoxy groups, C.sub.1-4 alkylthio groups, halogenated C.sub.1-4 alkylthio groups, nitro groups, cyano groups, or 3,4-methylenedioxy groups; a furyl group which is optionally substituted with one or more halogen atoms or C.sub.1-4 alkyl groups; a thienyl group which is optionally substituted with one or more halogen atoms or C.sub.1-4 alkyl groups; a pyridyl group which is optionally substituted with one or more halogen atoms or C.sub.1-4 alkyl groups; an --SO.sub.n R.sub.7 group, wherein R.sub.7 represents a C.sub.1-6 alkyl group, a C.sub.2-6 alkenyl group, a phenyl group which is optionally substituted with one or more halogen atoms, a benzyl group, a pyridyl group which is optionally substituted with one or more halogen atoms, C.sub.1-4 alkyl groups, or halogenated C.sub.1-4 alkyl groups; or an --NR.sub.8 R.sub.9 group, wherein R.sub.8 and R.sub.9 each represents a C.sub.1-4 alkyl group, and n is 0, 1, or 2; or a --CO(NH).sub.m R.sub.10 group, wherein R.sub.10 represents a C.sub.1-4 alkyl group which is optionally substituted with one or more halogen atoms, a C.sub.1-4 alkoxy group which is optionally substituted with one or more halogen atoms, or a phenyl group which is optionally substituted with one or more halogen atoms; and m is 0 or 1; andR.sub.4 represents a C.sub.1-6 alkyl group which is optionally substituted with one or more halogen atoms; a C.sub.3-6 cycloalkyl group; a phenyl group; a thienyl group; or an --NR.sub.11 R.sub.12 group, wherein R.sub.11 and R.sub.12 each represents a hydrogen atom, a C.sub.1-4 alkyl group which is optionally substituted with one or more halogen atoms, a C.sub.2-4 alkenyl group, or R.sub.11 and R.sub.12 are combined with each other together with a nitrogen atoms adjacent thereto to form a pyrrolidinyl group, a piperidinyl group, a morpholino group, or a thiomorpholino group, provided that R.sub.11 and R.sub.12 are not simultaneously a hydrogen atom;provided that R.sub.2 and R.sub.3 are not simultaneously a halogen atom. The compounds are effective as biocides.
摘要翻译:由通式I表示的咪唑化合物:其中:R1表示氰基或-CSNHR5基团,其中R5表示氢原子,C1-4烷基或-COR6基团,其中R6表示C1- 4烷基,卤代C 1-4烷基或苯基; R2和R3各自表示氢原子; 卤素原子; 硝基; 氰基; 三甲基甲硅烷基 C 3-6环烷基; 萘基; 任选取代的C 1-12烷基,C 2-10烯基,C 1-6烷氧基,苯基,呋喃基,亚硫酰基或吡啶基; a-SO n R 7基,其中R 7表示C 1-6烷基,C 2-6烯基,苄基,任选取代的苯基或吡啶基; NR8R9基团,其中R8和R9各自表示C1-4烷基,n为0,1或2; 或-CO(NH)m R 10 gorup,其中R 10表示任选取代的C 1-4烷基,C 1-4烷氧基或苯基,m为0或1; 并且R 4表示任选被一个或多个卤素原子取代的C 1-6烷基; C 3-6环烷基; 苯基; 噻吩基; 或-NR 11 R 12基团,其中R 11和R 12各自表示氢原子,任选被一个或多个卤素原子取代的C 1-4烷基,C 2-4链烯基或R 11和R 12一起彼此结合 与其相邻的氮原子形成吡咯烷基,哌啶基,吗啉代基或硫代吗啉基,条件是R 11和R 12不同时为氢原子; 条件是R2和R3不同时为卤素原子。 这些化合物作为杀生物剂是有效的。
摘要:
Phenoxypropane compounds represented by the general formula (I): ##STR1## wherein X is a 4-halophenoxy group, a 2,4-dihalophenoxy group, a 4-trifluoromethylphenoxy group, a 2-halo-4-trifluoromethylphenoxy group, a 5-halopyridyl-2-oxy group or a 3,5-dihalopyridyl-2-oxy group; and Y is a halogen atom, a hydroxy group, a (C.sub.1 -C.sub.4)-alkoxy group in which the alkyl moiety thereof may be substituted with a hydroxy group(s), a (C.sub.1 -C.sub.4)alkylcarbonyloxy group or a phenylcarbonyloxy group in which the phenyl moiety thereof may be substituted with a halogen atoms(s), useful as a herbicide; a herbicidal composition containing the compound; and methods of controlling weeds using such materials.
摘要:
A sulfonanilide compounds having the formula (I): ##STR1## wherein X.sub.1 is hydrogen atom, a halogen atom, methyl group or trifluoromethyl group, X.sub.2 is hydrogen atom or a halogen atom, R.sub.1 is a (C.sub.1 -C.sub.4) alkyl group or a halo(C.sub.1 -C.sub.4) alkyl group, R.sub.2 is hydrogen atom, a (C.sub.1 -C.sub.4) alkyl group, trifluoromethyl group or nitro group, R.sub.3 is hydrogen atom, --SO.sub.2 R.sub.1 group (R.sub.1 is the same as defined above), a (C.sub.2 -C.sub.4) acyl group, a (C.sub.2 -C.sub.4) acylmethyl group, a (C.sub.1 -C.sub.4) alkyl group, a (C.sub.1 -C.sub.4) alkoxy (C.sub.1 -C.sub.4) alkyl group or a (C.sub.3 -C.sub.4) alkenyl group, R.sub.4 is hydrogen atom or a halogen atom, and n is an integer of 0 to 2; and a salt thereof, which is useful as a herbicidal component.
摘要:
A method for producing a dichloromethylpyridine of the formula (II): ##STR1## wherein each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 which are independent of one another, is a hydrogen atom, a halogen atom, an alkoxy group or a phenoxy group which may be substituted, provided that R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are not simultaneously hydrogen atoms, which comprises reacting a trichloromethylpyridine of the formula (I): ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined above, with a reducing agent, wherein:(1) a dialkyl phosphite or a trialkyl phosphite is used as the reducing agent, and the reaction is conducted in the presence of a basic substance and an alcohol solvent, or(2) a trialkyl phosphine or triphenyl phosphine is used as the reducing agent, and the reaction is conducted in the presence of an alcohol solvent.
摘要:
Phenoxy valeric acids and derivatives thereof represented by the general formula (I): ##STR1## wherein X is a hydrogen atom or a chlorine atom; and R is a hydroxy group, an --O-cation group, a (C.sub.1 - C.sub.4)alkoxy group, a (C.sub.1 - C.sub.4)alkylthio group, a benzyloxy group, or an amino group which may be substituted with a (C.sub.1 - C.sub.4)alkyl group(s), a phenyl group or a pyridine-2-yl group, useful as a herbicide; a herbicidal composition containing the compound; and methods of controlling weeds using such materials.
摘要:
4-(Pyridyl-2-oxy)phenoxyalkanecarboxylic acid derivative is produced by reacting 2-phenoxypyridine derivative with 4-hydroxyphenoxyalkanecarboxylic acid derivative. The products which are effective as an active ingredient of a herbicide can be obtained at high yield by an interphenoxylation.
摘要:
N-benzoyl N'-pyridyloxy phenyl urea having the formula ##STR1## wherein X.sub.1 represents a halogen atom; X.sub.2 represents hydrogen or halogen atom; X.sub.3 and X.sub.4 respectively represent hydrogen or chlorine atom; X.sub.5 represents hydrogen or halogen atom; and X.sub.6 represents a halogen atom or nitro or trifluoromethyl group are novel compounds.The compositions containing the compound as the active ingredient are effective as the insecticide for extinction of injurious insects with high safety in agricultural, forestry and hygienic applications.
摘要翻译:具有式“IMAGE”的N-苯甲酰基N' - 吡啶氧基苯基脲其中X1表示卤素原子; X2表示氢或卤素原子; X3和X4分别表示氢或氯原子; X 5表示氢或卤原子; X 6表示卤原子或硝基或三氟甲基是新化合物。 含有化合物作为活性成分的组合物在农业,林业和卫生应用中作为杀虫剂有效地灭绝具有高度安全性的有害昆虫。
摘要:
N-benzoyl N'-pyridyloxy phenyl urea having the formula ##STR1## wherein X.sub.1 represents a halogen atom or methyl group; X.sub.2 represents hydrogen or halogen atom; X.sub.3 and X.sub.4 respectively represent hydrogen or halogen atom; X.sub.5 represents hydrogen or halogen atom; and X.sub.6 represents a halogen atom or nitro or trifluoromethyl group are novel compounds. The compositions containing the compound as the active ingredient are effective as the insecticide for extinction of injurious insects with high safety in agricultural, forestry and hygienic applications.
摘要翻译:具有式“IMAGE”的N-苯甲酰基N'-吡啶氧基苯基脲其中X 1表示卤素原子或甲基; X2表示氢或卤素原子; X3和X4分别表示氢或卤素原子; X 5表示氢或卤原子; X 6表示卤原子或硝基或三氟甲基是新化合物。 含有化合物作为活性成分的组合物在农业,林业和卫生应用中作为杀虫剂有效地灭绝具有高度安全性的有害昆虫。